[[0;32m OK [0m] Started Getty on tty4.
[[0;32m OK [0m] Started Getty on tty3.
[[0;32m OK [0m] Started Serial Getty on ttyS0.
[[0;32m OK [0m] Started Getty on tty1.
[[0;32m OK [0m] Started Getty on tty2.
[[0;32m OK [0m] Reached target Login Prompts.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 66.706789][ T17] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 67.226716][ T17] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 67.236139][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 67.245333][ T17] usb 1-1: Product: syz
[ 67.250252][ T17] usb 1-1: Manufacturer: syz
[ 67.254880][ T17] usb 1-1: SerialNumber: syz
[ 67.298772][ T17] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 67.896590][ T17] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 68.306558][ C1] ==================================================================
[ 68.315121][ C1] BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0x3ab/0x1020
[ 68.323298][ C1] Read of size 49126 at addr ffff8880195b0000 by task swapper/1/0
[ 68.331279][ C1]
[ 68.333625][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.0-rc5-syzkaller #0
[ 68.341617][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 68.351690][ C1] Call Trace:
[ 68.354986][ C1]
[ 68.357854][ C1] dump_stack+0x107/0x163
[ 68.362193][ C1] ? ath9k_hif_usb_rx_cb+0x3ab/0x1020
[ 68.367560][ C1] ? ath9k_hif_usb_rx_cb+0x3ab/0x1020
[ 68.372935][ C1] print_address_description.constprop.0.cold+0xae/0x4c8
[ 68.379960][ C1] ? vprintk_func+0x95/0x1e0
[ 68.384561][ C1] ? ath9k_hif_usb_rx_cb+0x3ab/0x1020
[ 68.389938][ C1] ? ath9k_hif_usb_rx_cb+0x3ab/0x1020
[ 68.395333][ C1] kasan_report.cold+0x1f/0x37
[ 68.400121][ C1] ? rwlock_bug.part.0+0x20/0x90
[ 68.405055][ C1] ? ath9k_hif_usb_rx_cb+0x3ab/0x1020
[ 68.410441][ C1] check_memory_region+0x13d/0x180
[ 68.415559][ C1] memcpy+0x20/0x60
[ 68.419364][ C1] ath9k_hif_usb_rx_cb+0x3ab/0x1020
[ 68.424584][ C1] ? hif_usb_start+0xa0/0xa0
[ 68.429191][ C1] ? __usb_hcd_giveback_urb+0x302/0x560
[ 68.434856][ C1] ? lock_downgrade+0x6d0/0x6d0
[ 68.439730][ C1] ? kcov_remote_start+0xce/0x450
[ 68.444764][ C1] __usb_hcd_giveback_urb+0x32d/0x560
[ 68.450141][ C1] usb_hcd_giveback_urb+0x367/0x410
[ 68.455356][ C1] dummy_timer+0x11f4/0x3280
[ 68.459980][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 68.464749][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 68.469527][ C1] call_timer_fn+0x1a5/0x6b0
[ 68.474124][ C1] ? add_timer_on+0x4a0/0x4a0
[ 68.478802][ C1] ? lock_downgrade+0x6d0/0x6d0
[ 68.483672][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 68.488930][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 68.493714][ C1] __run_timers.part.0+0x67c/0xa50
[ 68.498963][ C1] ? call_timer_fn+0x6b0/0x6b0
[ 68.503739][ C1] ? lapic_next_event+0x4d/0x80
[ 68.508601][ C1] ? kvm_sched_clock_read+0x14/0x40
[ 68.513819][ C1] ? sched_clock+0x2a/0x40
[ 68.518273][ C1] ? sched_clock_cpu+0x18/0x1f0
[ 68.523148][ C1] run_timer_softirq+0xb3/0x1d0
[ 68.528021][ C1] __do_softirq+0x2a0/0x9f6
[ 68.532554][ C1] asm_call_irq_on_stack+0xf/0x20
[ 68.537586][ C1]
[ 68.540522][ C1] do_softirq_own_stack+0xaa/0xd0
[ 68.545590][ C1] irq_exit_rcu+0x132/0x200
[ 68.550088][ C1] sysvec_apic_timer_interrupt+0x4d/0x100
[ 68.562936][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 68.568944][ C1] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250
[ 68.574748][ C1] Code: 4d 59 88 f8 84 db 75 ac e8 34 61 88 f8 e8 9f 1f 8e f8 e9 0c 00 00 00 e8 25 61 88 f8 0f 00 2d 6e c7 c0 00 e8 19 61 88 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 74 59 88 f8 48 85 db
[ 68.594457][ C1] RSP: 0018:ffffc90000d27d18 EFLAGS: 00000293
[ 68.600801][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff19d8db1
[ 68.608777][ C1] RDX: ffff888010dc8000 RSI: ffffffff88e7b377 RDI: 0000000000000000
[ 68.618057][ C1] RBP: ffff888014971064 R08: 0000000000000001 R09: 0000000000000001
[ 68.626045][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[ 68.634026][ C1] R13: ffff888014971000 R14: ffff888014971064 R15: ffff88814323f004
[ 68.642033][ C1] ? acpi_idle_do_entry+0x1c7/0x250
[ 68.647263][ C1] ? acpi_idle_do_entry+0x1c7/0x250
[ 68.652488][ C1] acpi_idle_enter+0x361/0x500
[ 68.657263][ C1] cpuidle_enter_state+0x1b1/0xc80
[ 68.662395][ C1] cpuidle_enter+0x4a/0xa0
[ 68.666837][ C1] do_idle+0x3e1/0x590
[ 68.670937][ C1] ? arch_cpu_idle_exit+0x40/0x40
[ 68.675977][ C1] ? _raw_spin_unlock_irq+0x40/0x40
[ 68.681182][ C1] ? lockdep_hardirqs_on+0x79/0x100
[ 68.686390][ C1] cpu_startup_entry+0x14/0x20
[ 68.691182][ C1] start_secondary+0x266/0x340
[ 68.695952][ C1] ? set_cpu_sibling_map+0x2460/0x2460
[ 68.701421][ C1] secondary_startup_64_no_verify+0xb0/0xbb
[ 68.707326][ C1]
[ 68.709643][ C1] The buggy address belongs to the page:
[ 68.715275][ C1] page:00000000596a8069 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x195b0
[ 68.726208][ C1] head:00000000596a8069 order:3 compound_mapcount:0 compound_pincount:0
[ 68.734551][ C1] flags: 0xfff00000010000(head)
[ 68.739417][ C1] raw: 00fff00000010000 dead000000000100 dead000000000122 0000000000000000
[ 68.748006][ C1] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[ 68.757535][ C1] page dumped because: kasan: bad access detected
[ 68.763961][ C1]
[ 68.766282][ C1] Memory state around the buggy address:
[ 68.772013][ C1] ffff8880195b8300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 68.780082][ C1] ffff8880195b8380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 68.788306][ C1] >ffff8880195b8400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 68.796457][ C1] ^
[ 68.800535][ C1] ffff8880195b8480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 68.808614][ C1] ffff8880195b8500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 68.816676][ C1] ==================================================================
[ 68.824840][ C1] Disabling lock debugging due to kernel taint
[ 68.831047][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 68.837628][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.10.0-rc5-syzkaller #0
[ 68.847005][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 68.857065][ C1] Call Trace:
[ 68.860364][ C1]
[ 68.863227][ C1] dump_stack+0x107/0x163
[ 68.867563][ C1] ? ath9k_hif_usb_rx_cb+0x2c0/0x1020
[ 68.872941][ C1] panic+0x306/0x73d
[ 68.876830][ C1] ? __warn_printk+0xf3/0xf3
[ 68.881430][ C1] ? ath9k_hif_usb_rx_cb+0x3ab/0x1020
[ 68.886795][ C1] ? ath9k_hif_usb_rx_cb+0x3ab/0x1020
[ 68.892225][ C1] end_report+0x58/0x5e
[ 68.896368][ C1] kasan_report.cold+0xd/0x37
[ 68.901043][ C1] ? rwlock_bug.part.0+0x20/0x90
[ 68.906008][ C1] ? ath9k_hif_usb_rx_cb+0x3ab/0x1020
[ 68.911365][ C1] check_memory_region+0x13d/0x180
[ 68.916476][ C1] memcpy+0x20/0x60
[ 68.920272][ C1] ath9k_hif_usb_rx_cb+0x3ab/0x1020
[ 68.925458][ C1] ? hif_usb_start+0xa0/0xa0
[ 68.930050][ C1] ? __usb_hcd_giveback_urb+0x302/0x560
[ 68.935631][ C1] ? lock_downgrade+0x6d0/0x6d0
[ 68.941339][ C1] ? kcov_remote_start+0xce/0x450
[ 68.946396][ C1] __usb_hcd_giveback_urb+0x32d/0x560
[ 68.951786][ C1] usb_hcd_giveback_urb+0x367/0x410
[ 68.956992][ C1] dummy_timer+0x11f4/0x3280
[ 68.961580][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 68.966341][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 68.971098][ C1] call_timer_fn+0x1a5/0x6b0
[ 68.975684][ C1] ? add_timer_on+0x4a0/0x4a0
[ 68.980363][ C1] ? lock_downgrade+0x6d0/0x6d0
[ 68.985199][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 68.990387][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 68.995169][ C1] __run_timers.part.0+0x67c/0xa50
[ 69.000291][ C1] ? call_timer_fn+0x6b0/0x6b0
[ 69.005046][ C1] ? lapic_next_event+0x4d/0x80
[ 69.011557][ C1] ? kvm_sched_clock_read+0x14/0x40
[ 69.016746][ C1] ? sched_clock+0x2a/0x40
[ 69.021158][ C1] ? sched_clock_cpu+0x18/0x1f0
[ 69.026004][ C1] run_timer_softirq+0xb3/0x1d0
[ 69.030849][ C1] __do_softirq+0x2a0/0x9f6
[ 69.035783][ C1] asm_call_irq_on_stack+0xf/0x20
[ 69.040811][ C1]
[ 69.043756][ C1] do_softirq_own_stack+0xaa/0xd0
[ 69.048776][ C1] irq_exit_rcu+0x132/0x200
[ 69.053294][ C1] sysvec_apic_timer_interrupt+0x4d/0x100
[ 69.059008][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 69.064994][ C1] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250
[ 69.070887][ C1] Code: 4d 59 88 f8 84 db 75 ac e8 34 61 88 f8 e8 9f 1f 8e f8 e9 0c 00 00 00 e8 25 61 88 f8 0f 00 2d 6e c7 c0 00 e8 19 61 88 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 74 59 88 f8 48 85 db
[ 69.090483][ C1] RSP: 0018:ffffc90000d27d18 EFLAGS: 00000293
[ 69.096716][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff19d8db1
[ 69.104696][ C1] RDX: ffff888010dc8000 RSI: ffffffff88e7b377 RDI: 0000000000000000
[ 69.112667][ C1] RBP: ffff888014971064 R08: 0000000000000001 R09: 0000000000000001
[ 69.120624][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[ 69.128586][ C1] R13: ffff888014971000 R14: ffff888014971064 R15: ffff88814323f004
[ 69.136563][ C1] ? acpi_idle_do_entry+0x1c7/0x250
[ 69.141766][ C1] ? acpi_idle_do_entry+0x1c7/0x250
[ 69.147254][ C1] acpi_idle_enter+0x361/0x500
[ 69.152030][ C1] cpuidle_enter_state+0x1b1/0xc80
[ 69.157152][ C1] cpuidle_enter+0x4a/0xa0
[ 69.161559][ C1] do_idle+0x3e1/0x590
[ 69.165639][ C1] ? arch_cpu_idle_exit+0x40/0x40
[ 69.170661][ C1] ? _raw_spin_unlock_irq+0x40/0x40
[ 69.176000][ C1] ? lockdep_hardirqs_on+0x79/0x100
[ 69.181277][ C1] cpu_startup_entry+0x14/0x20
[ 69.186040][ C1] start_secondary+0x266/0x340
[ 69.190802][ C1] ? set_cpu_sibling_map+0x2460/0x2460
[ 69.196295][ C1] secondary_startup_64_no_verify+0xb0/0xbb
[ 69.202741][ C1] Kernel Offset: disabled
[ 69.207092][ C1] Rebooting in 86400 seconds..